Fatal NTSB investigations, 1981, WI

180,658 investigations by the National Transportation Safety Board since 1962: 174,636 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19642026

Fatal NTSB investigations, 1981, WI per year, 1964–2026: 459 cases
1964	5
1965	12
1966	4
1967	10
1968	12
1969	13
1970	9
1971	8
1972	10
1973	11
1974	15
1975	7
1976	11
1977	12
1978	11
1979	15
1980	7
1981	11
1982	9
1983	13
1984	11
1985	5
1986	5
1987	9
1988	7
1989	8
1990	11
1991	9
1992	12
1993	10
1994	2
1995	7
1996	5
1997	6
1998	10
1999	5
2000	7
2001	13
2002	5
2003	5
2004	10
2005	6
2006	6
2007	5
2008	10
2009	4
2010	2
2011	8
2012	2
2013	2
2014	4
2015	7
2016	4
2017	6
2018	5
2019	2
2020	1
2021	7
2022	2
2023	5
2024	1
2025	1
2026	2

Where

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Latest cases

Query with SQL

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE year(c."eventDate") = 1981 AND c."eventStateOrRegion" = 'WI' AND c."eventCountry" = 'USA' AND c."highestInjuryLevel" = 'Fatal' ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE year(c.\"eventDate\") = 1981
    AND c.\"eventStateOrRegion\" = 'WI' AND c.\"eventCountry\" = 'USA'
    AND c.\"highestInjuryLevel\" = 'Fatal'
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE year(c."eventDate") = 1981
  AND c."eventStateOrRegion" = 'WI' AND c."eventCountry" = 'USA'
  AND c."highestInjuryLevel" = 'Fatal'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.